EP0901347A1 - Instrument mit einem abwinkelbaren handgriff - Google Patents

Instrument mit einem abwinkelbaren handgriff

Info

Publication number
EP0901347A1
EP0901347A1 EP97925835A EP97925835A EP0901347A1 EP 0901347 A1 EP0901347 A1 EP 0901347A1 EP 97925835 A EP97925835 A EP 97925835A EP 97925835 A EP97925835 A EP 97925835A EP 0901347 A1 EP0901347 A1 EP 0901347A1
Authority
EP
European Patent Office
Prior art keywords
instrument
handle
shaft part
instrument according
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97925835A
Other languages
English (en)
French (fr)
Other versions
EP0901347B1 (de
EP0901347B2 (de
Inventor
Alfred Cuschieri
Tim Frank
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Karl Storz SE and Co KG
Original Assignee
Karl Storz SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Karl Storz SE and Co KG filed Critical Karl Storz SE and Co KG
Publication of EP0901347A1 publication Critical patent/EP0901347A1/de
Publication of EP0901347B1 publication Critical patent/EP0901347B1/de
Application granted granted Critical
Publication of EP0901347B2 publication Critical patent/EP0901347B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0042—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping
    • A61B2017/00424—Surgical instruments, devices or methods, e.g. tourniquets with special provisions for gripping ergonomic, e.g. fitting in fist
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A61B2017/291—Handles the position of the handle being adjustable with respect to the shaft
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft

Definitions

  • the invention relates to an instrument according to the preamble of patent claim 1.
  • Instruments which have a shaft part, at the distal end of which an engagement element is arranged, which is actuated by a proximally arranged actuating element which is integrated in a handle, are generally known in the field of medical technology and in particular endoscopy. Reference is only made by way of example to tubular shaft instruments from Karl Storz GmbH & Co., Tuttlingen, Germany. Reference is expressly made to these instruments for the explanation of all details not described here in detail.
  • the handle is firmly attached to the instrument, so that the axis of the handle encloses a predetermined, unchangeable angle with the longitudinal axis of the shaft of the instrument. From an ergonomic point of view, this angle is selected for a specific handling of the instrument. However, work situations can occur during an operation in which the predetermined angle between the handle and shaft makes handling difficult.
  • the invention is based on the knowledge that it may well be necessary in surgical practice to operate an instrument inserted, for example, into a trocar sleeve or an instrument with a different hand position than that used by the designer when designing the instrument or when setting it the angular position has been assumed before the operation.
  • the invention is therefore based on the object of developing an instrument of the type specified in the preamble of claim 1 such that the position of the handle relative to the instrument shaft can also be easily adjusted during an operation, so that the instrument is independent of the respective operations ⁇ or operating condition can be operated ergonomically.
  • the handle is connected to the shaft part via a universal joint.
  • a cardan joint has the advantage that the cardan joint can also be easily adjusted under operating conditions and the stress associated therewith, so that the position of the handle relative to the shaft can be optimally adjusted.
  • a cardan joint allows the position of the handle to be adjusted in “all directions” with respect to the shaft of the instrument, so that not only the angular position can be changed.
  • the position of the handle relative to the longitudinal axis of the shaft part can thus be suitably adjusted depending on the operating condition, as it results from the respective operation-related handling, so that the operator can operate the instrument ergonomically, regardless of the particular application.
  • the handle can be rotated about the longitudinal axis of the shaft part due to the design of the universal joint.
  • the relative rotation between the handle and shaft has already been achieved in certain instruments, in conjunction with the According to the intended setting of the angle between the handle and shaft, however, it has particular ergonomic advantages.
  • the angle adjustment according to the invention enables ergonomic working in every operating situation. In certain situations, however, it can be disadvantageous if the relative position of the handle relative to the shaft of the instrument can be "too easily” changed due to the use of a universal joint which is in principle easy to adjust.
  • the handle can be locked in a certain angular position or if it can be rotated about the longitudinal axis even at a certain angle of rotation.
  • the ergonomic usability of the invention is further enhanced if a flexible force transmission element is provided, which transmits the actuating force from the actuating element to the shaft part.
  • the force transmission element can in particular be a Bowden cable.
  • the basic idea according to the invention of being able to freely vary the angle which is included between the axis of the shaft, ie the longitudinal axis of the instrument and the axis of the handle, even during an operation, can in principle be applied to a wide variety of instruments apply instruments.
  • the use of this basic idea is particularly advantageous for tubular shaft instruments and for instruments such as those used in endoscopy, that is to say for instruments that can be inserted into the channel of an endoscopic insertion instrument, such as a trocar sleeve.
  • FIG. 1 shows an embodiment of an instrument according to the invention in the non-actuated state
  • Fig. 2 shows the embodiment shown in Fig. 1 in the actuated state
  • Fig. 3 shows the embodiment shown in Fig. 1 in a state in which the handle is angled by 90 °.
  • the instrument has a shaft part 1, on the distal end of which an engagement element 2 is arranged.
  • the engaging element 2 is a pair of pliers without restricting the general inventive concept.
  • the engagement element 2, that is, the pliers mouth, is actuated by a proximally arranged actuating element.
  • Fig. 1 shows the jaws in the closed state
  • Fig. 2 shows the jaws in the open state.
  • the actuating element is composed of two handpieces 3 and 4. the handle.
  • the handpiece 3 is fixed with respect to the handle as a unit and has a “finger ring” 31, which is typically penetrated by the operator's thumb.
  • the movable handpiece 4 has a finger bracket 41, which enables the pliers mouth 2 to be opened and, when closed, prevents the finger lying against it, that is to say typically the index finger or the middle finger, from slipping off.
  • the handle consisting of the handpieces 3 and 4 is connected to the shaft part 1 in the exemplary embodiment shown via a universal joint 5 which can be moved in all directions.
  • the handle 3, 4 is arranged movably on the shaft part 1 such that the angle enclosed by the axis of the handle 3, 4 and the axis of the shaft part 1 can be varied.
  • the angle is 0 °, while in FIG. 3 the angle is 90 °.
  • the joint 5 is a universal joint which can be moved on all sides, the handle 3, 4 can additionally be rotated about the longitudinal axis of the shaft part 1, so that the handle can be brought into any angular position without the shaft having to be rotated.
  • a flexible force transmission element 6 is provided in the joint 5 and transmits the actuating force exerted by the handpieces 3 and 4 to the shaft part 1.
  • This flexible power transmission element is preferably a Bowden cable which, in cooperation with the universally adjustable universal joint, gives the operator all the freedom in adjusting the orientation of the handle with respect to its angular position with respect to the longitudinal axis and its rotational position about the longitudinal axis.
  • the handle can preferably be locked in a specific angular position or rotational position. This can be done, for example, by a locking screw that locks the joint 5.
  • the screw is preferably designed in such a way that it can be opened and tightened again without tools during an operation.
  • tubular shaft instrument instead of the tubular shaft instrument shown in the figures, other instruments, such as HF instruments, can also be used. However, it is particularly preferred if the respective instrument is designed such that it can be inserted into the channel of an endoscopic insertion instrument, such as a trocar sleeve.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

Beschrieben wird ein Instrument mit einem Schaftteil, an dessen distalem Ende ein Eingriffselement angeordnet ist, das durch ein proximal angeordnetes Betätigungselement betätigt wird, das in einen Handgriff integriert ist, der derart bewegbar ist, dass der von der Achse des Handgriffs und der Achse des Schaftteils eingeschlossene Winkel variiert werden kann. Die Erfindung zeichnet sich dadurch aus, dass der Handgriff über ein Kardangelenk mit dem Schaftteil verbunden ist.

Description

Instrument mit einem abwinkelbaren Handgriff
BESCHRE IBUNG
Technisches Gebiet
Die Erfindung bezieht sich auf ein Instrument gemäß dem Oberbegriff des Patentanspruchs 1.
Stand der Technik
Instrumente, die ein Schaftteil aufweisen, an dessen di- stalem Ende ein Eingriffselement angeordnet ist, das durch ein proximal angeordnetes Betätigungselement betä¬ tigt wird, das in einen Handgriff integriert ist, sind im Bereich der Medizintechnik und insbesondere der Endo- skopie allgemein bekannt. Nur beispielhaft wird auf Rohrschaft-Instrumente der Karl Storz GmbH & Co., Tutt¬ lingen, Deutschland verwiesen. Auf diese Instrumente wird im übrigen zur Erläuterung aller hier nicht im ein¬ zelnen beschriebenen Einzelheiten ausdrücklich Bezug ge¬ nommen.
Bei den meisten bekannten Instrumenten ist der Handgriff fest an dem Instrument angebracht, so daß die Achse des Handgriffs einen vorgegebenen, unveränderbaren Winkel mit der Längsachse des Schafts des Instruments ein¬ schließt. Dieser Winkel ist unter ergonomischen Ge¬ sichtspunkten für eine bestimmte Handhabung des Instru¬ ments gewählt. Es können jedoch während einer Operation Arbeitssitua¬ tionen auftreten, in denen der vorgegebene Winkel zwi¬ schen Handgriff und Schaft die Handhabung erschwert.
In der US-A-5,395,367 ist ein Instrument vorgeschlagen worden, bei dem die Winkelstellung des Handgriffs bezo¬ gen auf den Schaft vor der Durchführung der Operation einstellbar ist. Damit kann die Bedienungsperson zwar die Winkelstellung individuellen Wünschen anpassen, un¬ vorhergesehene Arbeitssituationen können aber dennoch dazu führen, daß die eingestellte und während der Opera¬ tion praktisch nicht veränderbare Winkelstellung ergono- misch ungünstig ist.
Darstellung der Erfindung
Die Erfindung geht von der Erkenntnis aus, daß es in der Operationspraxis durchaus erforderlich sein kann, ein beispielsweise in eine Trokarhülse bzw. einen Instrumen¬ tenschaft eingesetztes Instrument mit einer anderen Handstellung zu bedienen, als sie vom Konstrukteur beim Entwurf des Instruments bzw. beim Festlegen der Winkel¬ stellung vor der Operation vorausgesetzt worden ist.
Der Erfindung liegt deshalb die Aufgabe zugrunde, ein Instrument der im Oberbegriff des Patentanspruchs 1 an¬ gegebenen Art derart weiterzubilden, daß die Stellung des Handgriffs relativ zum Instrumentenschaft auch wäh¬ rend einer Operation leicht einstellbar ist, so daß das Instrument unabhängig von der jeweiligen Operations¬ bzw. Einsatzbedingung ergonomisch günstig bedient werden kann.
Eine erfindungsgemäße Lösung dieser Aufgabe ist im Pa¬ tentanspruch 1 angegeben. Weiterbildungen der Erfindung sind Gegenstand der Ansprüche 2 folgende. Zur Lösung der erfindungsgemaß gestellten Aufgabe wird von einem Instrument ausgegangen, bei dem der Handgriff an dem Schaftteil derart bewegbar angeordnet ist, daß der von der Achse des Handgriffs und der Achse des Schaftteils eingeschlossene Winkel variiert werden kann.
Erfindungsgemäß ist der Handgriff über ein Kardangelenk mit dem Schaftteil verbunden. Die Verwendung eines Kar¬ dangelenks hat den Vorteil, daß das Kardangelenk auch unter Operationsbedingungen und dem damit verbundenen Streß leicht eingestellt werden kann, so daß eine opti¬ male Einstellbarkeit der Stellung des Handgriffs relativ zum Schaft gegeben ist. Darüberhinaus erlaubt ein Kar- dangelenkt die Einstellung der Lage des Handgriffs in „alle Richtungen" bezogen auf den Schaft des Instru¬ ments, so daß nicht nur die Winkelstellung geändert wer¬ den kann.
Damit kann je nach Bedienungsbedingung, wie sie sich durch die jeweilige operationsbedingte Handhabung er¬ gibt, die Stellung des Handgriffs relativ zur Längsachse des Schaftteils geeignet eingestellt werden, so daß der Operateur das Instrument unabhängig vom jeweiligen Ein¬ satzfall ergonomisch günstig bedienen kann.
Insbesondere ist es damit möglich, den Handgriff so an¬ zuordnen, daß seine Achse einen Winkel zwischen 0° und 90° mit der Längsachse des Schaftteils einschließt.
Bei einer Weiterbildung kann der Handgriff aufgrund der Ausbildung des Kardangelenks um die Längsachse des Schaftteils gedreht werden. Die Relativverdrehung zwi¬ schen Handgriff und Schaft ist zwar bereits bei bestimm¬ ten Instrumenten realisiert, in Verbindung mit der erin- dungsgemäß vorgesehenen Einstellung des Winkels zwischen Handgriff und Schaft hat sie jedoch besondere ergonomi- sche Vorteile.
Die erfindungsgemäße Winkeleinstellung ermöglicht in je¬ der Operationssituation ein ergonomische Arbeiten. In bestimmten Situationen kann es jedoch von Nachteil sein, wenn sich die Relativstellung des Handgriffs zum Schaft des Instruments aufgrund der Verwendung eines prinzipi¬ ell leicht einstellbaren Kardangelenks "zu leicht" än¬ dern läßt.
Deshalb ist es bei einer weiteren Ausgestaltung vorgese¬ hen, daß der Handgriff in einer bestimmten Winkelstel¬ lung bzw. bei Verdrehbarkeit um die Längsachse auch bei einem bestimmten Drehwinkel feststellbar ist.
Zur ergonomischen Bedienbarkeit der Erfindung trägt wei¬ terhin bei, wenn ein flexibles Kraftübertragungselement vorgesehen ist, das die Betätigungskraft vom Betäti¬ gungselement auf das Schaftteil überträgt. Das Kraft¬ übertragungselement kann insbesondere ein Bowdenzug sein.
Der erfindungsgemäße Grundgedanke, den Winkel, der zwi¬ schen der Achse des Schafts, d.h. der Längsachse des In¬ struments und der Achse des Handgriffs eingeschlossen ist, frei auch während einer Operation variieren zu kön¬ nen, läßt sich prinzipiell bei den verschiedensten In¬ strumenten anwenden. Besonders vorteilhaft ist die An¬ wendung dieses Grundgedankens jedoch bei Rohrεchaftin- strumenten sowie bei Instrumenten, wie sie in der Endo- skopie eingesetzt werden, also bei Instrumenten, die in den Kanal eines endoskopischen Einsetzinstruments, wie einer Trokarhülse einsetzbar sind. Kurze Beschreibung der Zeichnung
Die Erfindung wird nachstehend ohne Beschränkung des allgemeinen Erfindungsgedankens anhand eines Ausfüh¬ rungsbeispiels unter Bezugnahme auf die Zeichnung exem¬ plarisch beschrieben, auf die im übrigen bezüglich der Offenbarung aller im Text nicht näher erläuterten erfin¬ dungsgemäßen Einzelheiten ausdrücklich verwiesen wird. Es zeigen:
Fig. 1 ein Ausführungsbeispiel eines erfindungsgemäßen Instruments im nichtbetätigten Zustand,
Fig. 2 das in Fig. 1 gezeigte Ausführungsbeispiel im betätigten Zustand, und
Fig. 3 das in Fig. 1 gezeigten Ausführungsbeispiel in einem Zustand, in dem der Handgriff um 90° abgewinkelt ist.
Beschreibung eines Ausführungsbeispiels
In den Figuren ist ein Ausführungsbeispiel eines erfin¬ dungsgemäßen Instruments dargestellt. Das Instrument weist einen Schaftteil 1 auf, an dessen distalem Ende ein Eingriffselement 2 angeordnet ist. Bei dem gezeigten Ausführungsbeispiel ist das Eingriffselement 2 ohne Be¬ schränkung des allgemeinen Erfindungsgedankens ein Zan- genmaul . Das Eingriffselement 2, also das Zangenmaul wird durch ein proximal angeordnetes Betätigungselement betätigt.
Fig. 1 zeigt das Zangenmaul im geschlossenen Zustand, während Fig. 2 das Zangenmaul im geöffneten Zustand zeigt.
Bei dem gezeigten Ausführungsbeispiel ist das Betäti¬ gungselement ein aus zwei Handstücken 3 und 4 bestehen- der Handgriff. Das Handstück 3 ist - bezogen auf den Handgriff als Einheit - feststehend und weist einen "Fingerring" 31 auf, der typischerweise von dem Daumen der Bedienungsperson durchsetzt wird. Das bewegliche Handstück 4 weist bei dem gezeigten Ausführungsbeispiel einen Fingerbügel 41 auf, der ein Öffnen des Zangenmauls 2 ermöglicht, und beim Schließen ein Abrutschen des an ihm anliegenden Fingers, also typischerweise des Zeige¬ fingers oder des Mittelfingers verhindert.
Der aus den Handstücken 3 und 4 bestehende Handgriff ist bei dem gezeigten Ausführungsbeispiel über ein allseits bewegliches Kardangelenk 5 mit dem Schaftteil 1 verbun¬ den.
Durch dieses Kardangelenk 5 ist der Handgriff 3,4 an dem Schaftteil 1 derart bewegbar angeordnet, daß der von der Achse des Handgriffs 3,4 und der Achse des Schaftteils 1 eingeschlossene Winkel variiert werden kann. In den Fi¬ guren 1 und 2 ist der Winkel 0°, während in Fig. 3 der Winkel 90° ist.
Da das Gelenk 5 ein allseits bewegliches Kardangelenk ist, kann der Handgriff 3,4 zusätzlich um die Längsachse des Schaftteils 1 gedreht werden kann, so daß der Hand¬ griff in beliebige Winkelstellung gebracht werden kann, ohne daß der Schaft gedreht werden müßte.
Damit ist es möglich, den Schaft des Instruments so ein¬ zurichten und insbesondere so zu drehen, daß sich das Zangenmaul in der gewünschten Stellung relativ zum Gewe¬ be befindet, und gleichzeitig den Handgriff in eine er- gonomisch günstige Stellung zu bringen, in der bei¬ spielsweise die Bedienungsperson leicht die erforderli¬ che Kraft für einen Schnitt aufbringen kann. In dem Gelenk 5 ist ein flexibles Kraftübertragungsele¬ ment 6 vorgesehen, das die Betätigungskraft, die von den Handstücken 3 und 4 ausgeübt wird, auf das Schaftteil 1 überträgt. Dieses flexible Kraftübertragungselement ist bevorzugt ein Bowdenzug, der im Zusammenwirken mit dem universell einstellbaren Kardangelenk der Bedienungsper¬ son alle Freiheiten bei der Einstellung der Orientierung des Handgriffs bezüglich seiner Winkellage zur Längsach¬ se und seiner Drehstellung um die Längsachse gibt.
Vorstehend ist die Erfindung anhand eines Ausführungs- beispiels ohne Beschränkung des allgemeinen Erfindungs¬ gedankens beschrieben worden. Selbstverständlich können die verschiedensten Abwandlungen vorgenommen werden:
So kann bevorzugt der Handgriff in einer bestimmten Win¬ kelstellung bzw. Drehstellung feststellbar sein. Dies kann beispielsweise durch eine Feststellschraube erfol¬ gen, die das Gelenk 5 arretiert. Die Schraube ist bevor¬ zugt so ausgebildet, daß sie während eines Operations¬ vorganges auch ohne Werkzeuge geöffnet und wieder ange¬ zogen werden kann.
Anstelle des in den Figuren dargestellten Rohrschaftin¬ struments können auch andere Instrumente, wie beispiels¬ weise HF-Instrumente eingesetzt werden. Besonders bevor¬ zugt ist es jedoch, wenn das jeweilige Instrument derart ausgebildet ist, daß es in den Kanal eines endoskopi- schen Einsetzinstruments, wie einer Trokarhülse einsetz¬ bar ist.

Claims

PATENTANSPRÜCHE
1. Instrument mit einem Schaftteil, an dessen distalem Ende ein Eingriffselement angeordnet ist, das durch ein proximal angeordnetes Betätigungselement betätigt wird, das in einen Handgriff integriert ist, der derart beweg¬ bar ist, daß der von der Achse des Handgriffs und der Achse des Schaftteils eingeschlossene Winkel variiert werden kann, dadurch gekennzeichnet, daß der Handgriff über ein Kar¬ dangelenk mit dem Schaftteil verbunden ist.
2. Instrument nach Anspruch 1, dadurch gekennzeichnet, daß ein flexibles Kraftübertra¬ gungselement vorgesehen ist, das die Betätigungskraft vom Betätigungselement auf das Schaftteil überträgt.
3. Instrument nach Anspruch 2, dadurch gekennzeichnet, daß das flexible Kraftübertra¬ gungselement ein Bowdenzug ist, der das Betätigungsele¬ ment mit dem Eingriffselement verbindet.
4. Instrument nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Handgriff um die Längs¬ achse des Schaftteils drehbar ausgebildet ist.
5. Instrument nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Handgriff in einer be¬ stimmten Stellung feststellbar ist.
6. Instrument nach Anspruch 5, dadurch gekennzeichnet, daß eine Feststellschraube vor¬ gesehen ist, die Bewegungen des Kardangelenks blockiert
7. Instrument nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Instrument ein Rohr¬ schaftinstrument ist.
8. Instrument nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Instrument derart ausge¬ bildet ist, daß es in den Kanal eines endoskopischen Einsetzinstruments, wie einer Trokarhülse einsetzbar ist.
EP97925835A 1996-05-07 1997-05-07 Instrument mit einem abwinkelbaren handgriff Expired - Lifetime EP0901347B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19618291 1996-05-07
DE19618291A DE19618291A1 (de) 1996-05-07 1996-05-07 Instrument mit einem abwinkelbaren Handgriff
PCT/DE1997/000910 WO1997041783A1 (de) 1996-05-07 1997-05-07 Instrument mit einem abwinkelbaren handgriff

Publications (3)

Publication Number Publication Date
EP0901347A1 true EP0901347A1 (de) 1999-03-17
EP0901347B1 EP0901347B1 (de) 2002-10-02
EP0901347B2 EP0901347B2 (de) 2006-12-13

Family

ID=7793582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97925835A Expired - Lifetime EP0901347B2 (de) 1996-05-07 1997-05-07 Instrument mit einem abwinkelbaren handgriff

Country Status (4)

Country Link
US (1) US6077286A (de)
EP (1) EP0901347B2 (de)
DE (2) DE19618291A1 (de)
WO (1) WO1997041783A1 (de)

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WO1997041783A1 (de) 1997-11-13
DE19618291A1 (de) 1998-01-29
US6077286A (en) 2000-06-20
EP0901347B1 (de) 2002-10-02
DE59708378D1 (de) 2002-11-07
EP0901347B2 (de) 2006-12-13

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